Weather on September 25 in Istanbul
Historical weather data for September 25 in Istanbul, Turkey
Avg High25°C (77°F)
Avg Low16°C (60°F)
Warmest198425°C
Coldest199215°C
Based on 55 years of data from ISTANBUL
About This Date
September 25th in Istanbul, Turkey typically brings pleasant fall weather, with average highs around 25°C and lows near 16°C. Over 55 years of records, the warmest September 25th was in 1984 (25°C average), while the coldest was 1992 (15°C) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 18% of September 25th dates historically. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for September 25th in Istanbul? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 24°C (75°F) | 9°C (49°F) | -- |
| 2025 | 27°C (80°F) | 18°C (64°F) | 0 mm |
| 2024 | 28°C (82°F) | 16°C (61°F) | 0 mm |
| 2023 | 29°C (84°F) | 21°C (69°F) | -- |
| 2022 | 24°C (76°F) | 14°C (58°F) | -- |
| 2021 | 24°C (75°F) | 16°C (60°F) | 0 mm |
| 2020 | -- | 18°C (65°F) | 1 mm |
| 2019 | -- | 17°C (63°F) | 1 mm |
| 2017 | 28°C (82°F) | 18°C (64°F) | -- |
| 2016 | 23°C (74°F) | 13°C (56°F) | 0 mm |
| 2015 | 29°C (84°F) | 20°C (68°F) | 0 mm |
| 2014 | 24°C (75°F) | 12°C (54°F) | 0 mm |
| 2013 | 28°C (82°F) | 10°C (50°F) | 0 mm |
| 2012 | 32°C (89°F) | 11°C (52°F) | 0 mm |
| 2011 | 27°C (81°F) | 16°C (60°F) | 0 mm |
| 2010 | 29°C (84°F) | 17°C (63°F) | 0 mm |
| 2009 | 24°C (76°F) | 14°C (57°F) | 0 mm |
| 2008 | 24°C (75°F) | 13°C (55°F) | 0 mm |
| 2007 | -- | 13°C (56°F) | 1 mm |
| 2006 | 22°C (71°F) | -- | 3 mm |
| 2005 | 23°C (74°F) | 13°C (55°F) | 0 mm |
| 2004 | 32°C (89°F) | 17°C (63°F) | 0 mm |
| 2003 | 24°C (76°F) | 16°C (61°F) | -- |
| 2002 | 29°C (84°F) | 21°C (70°F) | 0 mm |
| 2001 | 31°C (87°F) | 18°C (65°F) | -- |
| 2000 | 17°C (63°F) | 14°C (57°F) | 4 mm |
| 1999 | 25°C (77°F) | 14°C (58°F) | -- |
| 1998 | 23°C (73°F) | 14°C (58°F) | 0 mm |
| 1997 | 20°C (68°F) | 13°C (55°F) | -- |
| 1996 | 26°C (79°F) | 18°C (64°F) | -- |
| 1995 | 22°C (71°F) | 14°C (58°F) | 2 mm |
| 1994 | 28°C (82°F) | 20°C (68°F) | -- |
| 1993 | 27°C (80°F) | 13°C (56°F) | -- |
| 1992 | 18°C (65°F) | 12°C (53°F) | 6 mm |
| 1991 | 27°C (80°F) | 17°C (63°F) | -- |
| 1990 | 26°C (78°F) | 18°C (65°F) | -- |
| 1989 | 25°C (77°F) | 15°C (59°F) | -- |
| 1988 | 23°C (73°F) | 14°C (57°F) | 1 mm |
| 1987 | 24°C (75°F) | 12°C (54°F) | -- |
| 1986 | 27°C (80°F) | 14°C (57°F) | -- |
| 1985 | 27°C (80°F) | 17°C (63°F) | -- |
| 1984 | 31°C (87°F) | 19°C (67°F) | -- |
| 1983 | 22°C (71°F) | 11°C (51°F) | -- |
| 1982 | 26°C (79°F) | 17°C (62°F) | 0 mm |
| 1981 | 23°C (74°F) | 16°C (61°F) | -- |
| 1980 | 22°C (71°F) | 13°C (56°F) | -- |
| 1979 | 30°C (86°F) | 18°C (65°F) | -- |
| 1978 | 23°C (74°F) | 12°C (54°F) | 0 mm |
| 1977 | 19°C (67°F) | 12°C (53°F) | 8 mm |
| 1976 | 21°C (69°F) | 13°C (56°F) | 6 mm |
| 1975 | 24°C (76°F) | 17°C (63°F) | -- |
| 1974 | 27°C (81°F) | 17°C (62°F) | -- |
| 1973 | 27°C (81°F) | 18°C (64°F) | -- |
| 1972 | 26°C (79°F) | 13°C (56°F) | -- |
| 1971 | 22°C (71°F) | 16°C (61°F) | -- |